public class Person {
    public void feed(Animal animal){
        System.out.println("主人喂食：");
        animal.eat();
    }
    public void catchAnimal(Afraid afraidAnimal){
        System.out.println("主人试图捕捉动物：");
        afraidAnimal.makeSound();
        afraidAnimal.escape();
    }
}
